A traditional salon blue, this colours clean hue is reminiscent of the pigment cobalt, used by artists and discerning decorators ever since its discovery in the 19th century. Dark Tones undercoat. Flexible and durable, this water based eggshell has good water shedding properties yet allows wood to breathe. For exterior use on wood and metal surfaces, including doors, window frames, cladding, barge boards, railing and gates, guttering and garden furniture. Preparation: use Exterior Primer & Undercoat, Stain Block Primer or Metal Primer. An environmentally friendly eco-finish with low VOCs. 20% sheen level. Washable.Flexible and durable, this water based eggshell has good water shedding properties yet allows wood to breathe. For exterior use on wood and metal surfaces, including doors, window frames, cladding, barge boards, railing and gates, guttering and garden furniture. Preparation: use Exterior Primer & Undercoat, Stain Block Primer or Metal Primer. An environmentally friendly eco-finish with low VOCs. 20% sheen level. Washable.